What is SparkContext

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Accepted Answer

Spark SparkContext is an entry point to Spark and defined in org.apache.spark package since 1.x and used to programmatically create Spark RDD, accumulators and broadcast variables on the cluster. Since Spark 2.0 most of the functionalities (methods) available in SparkContext are also available in SparkSession. Its object sc is default available in spark-shell and it can be programmatically created using SparkContext class.